Mathematics for IGCSE & O level - Transformations (Section 2 - No. 17)
A shape is rotated 180 degrees about a point. Which of the following is true about the image and the original shape?
The image is the same size but in a different position.
The image is larger than the original.
The image is smaller than the original.
The image has a different shape.
คำอธิบาย
Rotation preserves size and shape.